Rey Mysterio is known as the Master of the 619. He made his WWE debut facing Chavo Guerrero, defeating him with his signature 619 move. Rey has won numerous championships, including the World Championship and Royal Rumble. He had a close friendship with Eddie Guerrero, winning tag titles together before feuding over custody of Dominick. Rey has worn masks depicting characters like Spiderman and Captain America. He had many rivalries over the years while pursuing championships in WWE.